5382dffae7
pkg_info * In pkg_create, compress with bzip2 if a .tbz suffix is given * Fix pkg_info to work via ftp, either via URL specified on command line or via one made up from PKG_PATH (if set) XXX ALWAYS tacks on ".t[bg]z", NOT ".t[gb]z" !!!
419 lines
9.1 KiB
C
419 lines
9.1 KiB
C
/* $NetBSD: str.c,v 1.24 2000/12/13 03:17:55 hubertf Exp $ */
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static const char *rcsid = "Id: str.c,v 1.5 1997/10/08 07:48:21 charnier Exp";
|
|
#else
|
|
__RCSID("$NetBSD: str.c,v 1.24 2000/12/13 03:17:55 hubertf Exp $");
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* FreeBSD install - a package for the installation and maintainance
|
|
* of non-core utilities.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* Jordan K. Hubbard
|
|
* 18 July 1993
|
|
*
|
|
* Miscellaneous string utilities.
|
|
*
|
|
*/
|
|
|
|
#include <err.h>
|
|
#include <fnmatch.h>
|
|
#include "lib.h"
|
|
|
|
/*
|
|
* Return the filename portion of a path
|
|
*/
|
|
char *
|
|
basename_of(char *str)
|
|
{
|
|
char *slash;
|
|
|
|
return ((slash = strrchr(str, '/')) == (char *) NULL) ? str : slash + 1;
|
|
}
|
|
|
|
/*
|
|
* Return the dirname portion of a path
|
|
*/
|
|
char *
|
|
dirname_of(const char *path)
|
|
{
|
|
size_t cc;
|
|
char *s;
|
|
char *t;
|
|
|
|
if ((s = strrchr(path, '/')) == NULL) {
|
|
return ".";
|
|
}
|
|
if (s == path) {
|
|
/* "/foo" -> return "/" */
|
|
return "/";
|
|
}
|
|
cc = (size_t) (s - path);
|
|
if ((t = (char *) malloc(cc + 1)) == (char *) NULL) {
|
|
errx(1, "out of memory in dirname_of");
|
|
}
|
|
(void) memcpy(t, path, cc);
|
|
t[cc] = 0;
|
|
return t;
|
|
}
|
|
|
|
/*
|
|
* Get a string parameter as a file spec or as a "contents follow -" spec
|
|
*/
|
|
char *
|
|
get_dash_string(char **s)
|
|
{
|
|
return *s = (**s == '-') ? strdup(*s + 1) : fileGetContents(*s);
|
|
}
|
|
|
|
/*
|
|
* Lowercase a whole string
|
|
*/
|
|
void
|
|
str_lowercase(char *s)
|
|
{
|
|
for (; *s; s++) {
|
|
*s = tolower(*s);
|
|
}
|
|
}
|
|
|
|
typedef enum deweyop_t {
|
|
GT,
|
|
GE,
|
|
LT,
|
|
LE
|
|
} deweyop_t;
|
|
|
|
/*
|
|
* Compare two dewey decimal numbers
|
|
*/
|
|
static int
|
|
deweycmp(char *a, deweyop_t op, char *b)
|
|
{
|
|
int ad;
|
|
int bd;
|
|
char *a_nb;
|
|
char *b_nb;
|
|
int in_nb = 0;
|
|
int cmp;
|
|
|
|
/* Null out 'n' in any "nb" suffixes for initial pass */
|
|
if ((a_nb = strstr(a, "nb")))
|
|
*a_nb = 0;
|
|
if ((b_nb = strstr(b, "nb")))
|
|
*b_nb = 0;
|
|
|
|
for (;;) {
|
|
if (*a == 0 && *b == 0) {
|
|
if (!in_nb && (a_nb || b_nb)) {
|
|
/*
|
|
* If exact match on first pass, test
|
|
* "nb<X>" suffixes in second pass
|
|
*/
|
|
in_nb = 1;
|
|
if (a_nb)
|
|
a = a_nb + 2; /* Skip "nb" suffix */
|
|
if (b_nb)
|
|
b = b_nb + 2; /* Skip "nb" suffix */
|
|
} else {
|
|
cmp = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ad = bd = 0;
|
|
for (; *a && *a != '.'; a++) {
|
|
ad = (ad * 10) + (*a - '0');
|
|
}
|
|
for (; *b && *b != '.'; b++) {
|
|
bd = (bd * 10) + (*b - '0');
|
|
}
|
|
if ((cmp = ad - bd) != 0) {
|
|
break;
|
|
}
|
|
if (*a == '.')
|
|
++a;
|
|
if (*b == '.')
|
|
++b;
|
|
}
|
|
/* Replace any nulled 'n' */
|
|
if (a_nb)
|
|
*a_nb = 'n';
|
|
if (b_nb)
|
|
*b_nb = 'n';
|
|
return (op == GE) ? cmp >= 0 : (op == GT) ? cmp > 0 : (op == LE) ? cmp <= 0 : cmp < 0;
|
|
}
|
|
|
|
/*
|
|
* Perform alternate match on "pkg" against "pattern",
|
|
* calling pmatch (recursively) to resolve any other patterns.
|
|
* Return 1 on match, 0 otherwise
|
|
*/
|
|
static int
|
|
alternate_match(const char *pattern, const char *pkg)
|
|
{
|
|
char *sep;
|
|
char buf[FILENAME_MAX];
|
|
char *last;
|
|
char *alt;
|
|
char *cp;
|
|
int cnt;
|
|
int found;
|
|
|
|
if ((sep = strchr(pattern, '{')) == (char *) NULL) {
|
|
errx(1, "alternate_match(): '{' expected in `%s'", pattern);
|
|
}
|
|
(void) strncpy(buf, pattern, (size_t) (sep - pattern));
|
|
alt = &buf[sep - pattern];
|
|
last = (char *) NULL;
|
|
for (cnt = 0, cp = sep; *cp && last == (char *) NULL; cp++) {
|
|
if (*cp == '{') {
|
|
cnt++;
|
|
} else if (*cp == '}' && --cnt == 0 && last == (char *) NULL) {
|
|
last = cp + 1;
|
|
}
|
|
}
|
|
if (cnt != 0) {
|
|
errx(1, "Malformed alternate `%s'", pattern);
|
|
}
|
|
for (found = 0, cp = sep + 1; *sep != '}'; cp = sep + 1) {
|
|
for (cnt = 0, sep = cp; cnt > 0 || (cnt == 0 && *sep != '}' && *sep != ','); sep++) {
|
|
if (*sep == '{') {
|
|
cnt++;
|
|
} else if (*sep == '}') {
|
|
cnt--;
|
|
}
|
|
}
|
|
(void) snprintf(alt, sizeof(buf) - (alt - buf), "%.*s%s", (int) (sep - cp), cp, last);
|
|
if (pmatch(buf, pkg) == 1) {
|
|
found = 1;
|
|
}
|
|
}
|
|
return found;
|
|
}
|
|
|
|
/*
|
|
* Perform dewey match on "pkg" against "pattern".
|
|
* Return 1 on match, 0 otherwise
|
|
*/
|
|
static int
|
|
dewey_match(const char *pattern, const char *pkg)
|
|
{
|
|
deweyop_t op;
|
|
char *cp;
|
|
char *sep;
|
|
char *ver;
|
|
char name[FILENAME_MAX];
|
|
int n;
|
|
|
|
if ((sep = strpbrk(pattern, "<>")) == NULL) {
|
|
errx(1, "dewey_match(): '<' or '>' expected in `%s'", pattern);
|
|
}
|
|
(void) snprintf(name, sizeof(name), "%.*s", (int) (sep - pattern), pattern);
|
|
op = (*sep == '>') ? (*(sep + 1) == '=') ? GE : GT : (*(sep + 1) == '=') ? LE : LT;
|
|
ver = (op == GE || op == LE) ? sep + 2 : sep + 1;
|
|
n = (int) (sep - pattern);
|
|
if ((cp = strrchr(pkg, '-')) != (char *) NULL) {
|
|
if (strncmp(pkg, name, (size_t) (cp - pkg)) == 0 && n == cp - pkg) {
|
|
if (deweycmp(cp + 1, op, ver)) {
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Perform glob match on "pkg" against "pattern".
|
|
* Return 1 on match, 0 otherwise
|
|
*/
|
|
static int
|
|
glob_match(const char *pattern, const char *pkg)
|
|
{
|
|
return fnmatch(pattern, pkg, FNM_PERIOD) == 0;
|
|
}
|
|
|
|
/*
|
|
* Perform simple match on "pkg" against "pattern".
|
|
* Return 1 on match, 0 otherwise
|
|
*/
|
|
static int
|
|
simple_match(const char *pattern, const char *pkg)
|
|
{
|
|
return strcmp(pattern, pkg) == 0;
|
|
}
|
|
|
|
/*
|
|
* Match pkg against pattern, return 1 if matching, 0 else
|
|
*/
|
|
int
|
|
pmatch(const char *pattern, const char *pkg)
|
|
{
|
|
if (strchr(pattern, '{') != (char *) NULL) {
|
|
/* emulate csh-type alternates */
|
|
return alternate_match(pattern, pkg);
|
|
}
|
|
if (strpbrk(pattern, "<>") != (char *) NULL) {
|
|
/* perform relational dewey match on version number */
|
|
return dewey_match(pattern, pkg);
|
|
}
|
|
if (strpbrk(pattern, "*?[]") != (char *) NULL) {
|
|
/* glob match */
|
|
return glob_match(pattern, pkg);
|
|
}
|
|
|
|
/* no alternate, dewey or glob match -> simple compare */
|
|
return simple_match(pattern, pkg);
|
|
}
|
|
|
|
/*
|
|
* Search dir for pattern, calling match(pkg_found, data) for every match.
|
|
* Returns -1 on error, 1 if found, 0 otherwise.
|
|
*/
|
|
int
|
|
findmatchingname(const char *dir, const char *pattern, matchfn match, char *data)
|
|
{
|
|
struct dirent *dp;
|
|
DIR *dirp;
|
|
int found;
|
|
|
|
found = 0;
|
|
if ((dirp = opendir(dir)) == (DIR *) NULL) {
|
|
/* warnx("can't opendir dir '%s'", dir); */
|
|
return -1;
|
|
}
|
|
while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
|
|
char tmp[FILENAME_MAX];
|
|
if (strcmp(dp->d_name, ".") == 0 ||
|
|
strcmp(dp->d_name, "..") == 0)
|
|
continue;
|
|
|
|
(void) snprintf(tmp, sizeof(tmp), "%s/%s", dir, dp->d_name);
|
|
|
|
if (pmatch(pattern, dp->d_name)) {
|
|
if (match) {
|
|
match(dp->d_name, data);
|
|
/* return value ignored for now */
|
|
}
|
|
found = 1;
|
|
}
|
|
}
|
|
(void) closedir(dirp);
|
|
return found;
|
|
}
|
|
|
|
/*
|
|
* Does the pkgname contain any of the special chars ("{[]?*<>")?
|
|
* If so, return 1, else 0
|
|
*/
|
|
int
|
|
ispkgpattern(const char *pkg)
|
|
{
|
|
return strpbrk(pkg, "<>[]?*{") != NULL;
|
|
}
|
|
|
|
/*
|
|
* Auxiliary function called by findbestmatchingname() if pkg > data
|
|
* Also called for FTP matching
|
|
*/
|
|
int
|
|
findbestmatchingname_fn(const char *found, char *best)
|
|
{
|
|
char *found_version, *best_version;
|
|
char *found_tgz, *best_tgz;
|
|
char *found_tbz, *best_tbz;
|
|
char found_no_sfx[255];
|
|
char best_no_sfx[255];
|
|
|
|
found_version = strrchr(found, '-') + 1;
|
|
found_tgz = strstr(found, ".tgz");
|
|
if (found_tgz) {
|
|
/* strip off any ".tgz" */
|
|
strncpy(found_no_sfx, found_version, found_tgz-found_version);
|
|
found_no_sfx[found_tgz-found_version] = '\0';
|
|
found_version = found_no_sfx;
|
|
}
|
|
found_tbz = strstr(found, ".tbz");
|
|
if (found_tbz) {
|
|
/* strip off any ".tbz" */
|
|
strncpy(found_no_sfx, found_version, found_tbz-found_version);
|
|
found_no_sfx[found_tbz-found_version] = '\0';
|
|
found_version = found_no_sfx;
|
|
}
|
|
|
|
best_version=NULL;
|
|
if (best && best[0] != '\0') {
|
|
best_version = strrchr(best, '-') + 1;
|
|
best_tgz = strstr(best, ".tgz");
|
|
if (best_tgz) {
|
|
/* strip off any ".tgz" */
|
|
strncpy(best_no_sfx, best_version, best_tgz-best_version);
|
|
best_no_sfx[best_tgz-best_version] = '\0';
|
|
best_version = best_no_sfx;
|
|
}
|
|
best_tbz = strstr(best, ".tbz");
|
|
if (best_tbz) {
|
|
/* strip off any ".tbz" */
|
|
strncpy(best_no_sfx, best_version, best_tbz-best_version);
|
|
best_no_sfx[best_tbz-best_version] = '\0';
|
|
best_version = best_no_sfx;
|
|
}
|
|
}
|
|
|
|
if (best == NULL || best[0] == '\0' || deweycmp(found_version, GT, best_version)) {
|
|
/* found pkg(version) is bigger than current "best"
|
|
* version - remember! */
|
|
strcpy(best, found);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Find best matching filename, i.e. the pkg with the highest
|
|
* matching(!) version.
|
|
* Returns pointer to pkg name (which can be free(3)ed),
|
|
* or NULL if no match is available.
|
|
*/
|
|
char *
|
|
findbestmatchingname(const char *dir, const char *pattern)
|
|
{
|
|
char buf[FILENAME_MAX];
|
|
|
|
buf[0] = '\0';
|
|
if (findmatchingname(dir, pattern, findbestmatchingname_fn, buf) > 0
|
|
&& buf[0] != '\0') {
|
|
return strdup(buf);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Bounds-checking strncpy()
|
|
*/
|
|
char *
|
|
strnncpy(char *to, size_t tosize, char *from, size_t cc)
|
|
{
|
|
size_t len;
|
|
|
|
if ((len = cc) >= tosize - 1) {
|
|
len = tosize - 1;
|
|
}
|
|
(void) strncpy(to, from, len);
|
|
to[len] = 0;
|
|
return to;
|
|
}
|